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methanation

[meth-uh-ney-shuh n]
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noun Chemistry.
  1. the process of converting a mixture, as of hydrogen and carbon monoxide, into methane.

Origin of methanation

First recorded in 1955–60; methane + -ation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018